mirror of
https://github.com/shaka-project/shaka-player.git
synced 2026-06-16 16:16:40 +03:00
Álvaro Velad Galván
144 lines
4.0 KiB
JavaScript
144 lines
4.0 KiB
JavaScript
/*! @license
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* Shaka Player
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* Copyright 2016 Google LLC
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* SPDX-License-Identifier: Apache-2.0
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*/
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goog.provide('shaka.ui.ChapterSelection');
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goog.require('shaka.ui.Controls');
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goog.require('shaka.ui.Enums');
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goog.require('shaka.ui.Locales');
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goog.require('shaka.ui.Localization');
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goog.require('shaka.ui.OverflowMenu');
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goog.require('shaka.ui.SettingsMenu');
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goog.require('shaka.ui.Utils');
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goog.require('shaka.util.Dom');
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goog.requireType('shaka.ui.Controls');
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/**
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* @extends {shaka.ui.SettingsMenu}
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* @final
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* @export
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*/
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shaka.ui.ChapterSelection = class extends shaka.ui.SettingsMenu {
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/**
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* @param {!HTMLElement} parent
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* @param {!shaka.ui.Controls} controls
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*/
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constructor(parent, controls) {
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super(parent, controls, shaka.ui.Enums.MaterialDesignSVGIcons['CHAPTER']);
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this.button.classList.add('shaka-chapter-button');
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this.menu.classList.add('shaka-chapters');
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this.button.classList.add('shaka-tooltip-status');
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this.eventManager.listen(
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this.localization, shaka.ui.Localization.LOCALE_UPDATED, () => {
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this.updateLocalizedStrings_();
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this.updateChapters_();
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});
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this.eventManager.listen(
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this.localization, shaka.ui.Localization.LOCALE_CHANGED, () => {
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this.updateLocalizedStrings_();
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this.updateChapters_();
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});
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this.eventManager.listen(this.player, 'unloading', () => {
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this.updateChapters_();
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});
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this.eventManager.listen(this.player, 'trackschanged', () => {
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this.updateChapters_();
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});
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this.eventManager.listen(this.controls, 'chaptersupdated', () => {
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this.updateChapters_();
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});
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if (this.isSubMenu) {
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this.eventManager.listen(this.controls, 'submenuopen', () => {
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this.updateChapters_();
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});
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this.eventManager.listen(this.controls, 'submenuclose', () => {
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this.updateChapters_();
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});
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}
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// Set up all the strings in the user's preferred language.
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this.updateLocalizedStrings_();
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this.updateChapters_();
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}
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/**
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* @private
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*/
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updateLocalizedStrings_() {
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const LocIds = shaka.ui.Locales.Ids;
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this.backButton.ariaLabel = this.localization.resolve(LocIds.BACK);
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this.button.ariaLabel = this.localization.resolve(LocIds.CHAPTERS);
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this.nameSpan.textContent = this.localization.resolve(LocIds.CHAPTERS);
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this.backSpan.textContent = this.localization.resolve(LocIds.CHAPTERS);
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}
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/**
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* @private
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*/
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updateChapters_() {
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// 1. Save the back to menu button
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const backButton = shaka.ui.Utils.getFirstDescendantWithClassName(
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this.menu, 'shaka-back-to-overflow-button');
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// 2. Remove everything
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shaka.util.Dom.removeAllChildren(this.menu);
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// 3. Add the backTo Menu button back
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this.menu.appendChild(backButton);
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const chapters = this.controls.getChapters();
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if (chapters.length) {
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for (const chapter of this.controls.getChapters()) {
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const button = shaka.util.Dom.createButton();
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const span = shaka.util.Dom.createHTMLElement('span');
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span.classList.add('shaka-chapter');
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span.textContent = chapter.title;
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button.appendChild(span);
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this.eventManager.listen(button, 'click', () => {
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if (!this.controls.isOpaque()) {
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return;
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}
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this.video.currentTime = chapter.startTime;
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});
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this.menu.appendChild(button);
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}
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shaka.ui.Utils.setDisplay(this.button, !this.isSubMenuOpened);
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shaka.ui.Utils.focusOnTheChosenItem(this.menu);
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} else {
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shaka.ui.Utils.setDisplay(this.button, false);
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}
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}
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};
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/**
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* @implements {shaka.extern.IUIElement.Factory}
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* @final
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*/
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shaka.ui.ChapterSelection.Factory = class {
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/** @override */
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create(rootElement, controls) {
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return new shaka.ui.ChapterSelection(rootElement, controls);
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}
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};
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shaka.ui.OverflowMenu.registerElement(
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'chapter', new shaka.ui.ChapterSelection.Factory());
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shaka.ui.Controls.registerElement(
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'chapter', new shaka.ui.ChapterSelection.Factory());
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